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`INT-ERNATIONAL
`STANDARD
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`
`Cfi!t_(·'.·i_!Eti(KT_ ,;:0, %?
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`
` INTERNATION
`
`~nformation tectn'liO!ogy -loca~ and metropolitan
`information technology — Local and metropolitan
`area networks ~
`area networks ~~
`
`Part 3:
`Part 3:
`Carrier sense muitipte access with collision detecti'on
`Carrier sense multiple access with collision detection
`{CSMA/CD! access method and physics~ lcrvHr
`(CSMAACD) access method and physical layer
`speciHcati"ons
`apectiontions
`
`
`
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`
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`

`

`International Standard ISO/IEC 8802~3 : 1993
`ANS!JlEEE Std 802.3~ 1993 Edition
`~This t~dtLioll cvntairi~ ,t.,NST/H~!EE Std 80~L~)-1.&8b,
`International Biandard TSOVEEC 8809-3 : 1002
`ANSl!IEEE Sd S02.:k- Fl8G, ANSliiEEE Shl 802.;1d. 1987,
`ANSUDULEE Std 82.3, 1908 Exlition
`ANEWEEE Std 802.Jb,JB85, ANSI/IEEE St<l 80~03<•1987,
`egy
`fifion contains ANRUVIEERE Sid 660
`9.1968
`ANSJlf:EE SW
`/0~31/lEEE Sed BOZ.~li-1990. &mi
`Sad
`BOQ,
`l\'>idt.mg i'rom fvhidenane\' BBHoL iil.1
`
`iSVIE
`
`Information technology-
`Local and metropolitan area networks-
`Information technolo
`
`Local and metropolitan area networks-—
`Pa:rt 3:
`Part 3:
`Carrier sense multiple access with
`Carrier sense multiple access with
`collision detection (CSMA/CD)
`collision detection (CS
`CD)
`
`access method and
`access methodand
`physical layer specifications
`physical layer specifications
`
`Sponsor
`Aponsor
`Technical Committee on Computer Communications
`‘Technical Comunittee on Computer Communications
`of the
`of the
`IEEE Co:mputer Society
`IEEE Canputer Sacieby
`
`
`Abstract: This Local and Metropolitan Area Network standard, ISOVINC 8802-3: 1983 [ANSUTEEE Sil
`Ahstraet: Thi;o Local and l\<Ietropolit;m Ar>'<* Neb.No:rk standard, IS0!1EC i:Sf\02,8 • 1993 [1~'\JSl/IEEE Std
`
`
`
`
`802.3, 1983 Edition), spe
`the media access control characteristics for the Carrier SenseMultiple Access
`802.3, 1993 Edition], specifies the rnedm access control eharactctisttes fo- the Carr:ier Sense .Multiple Access
`with Callision Detextion GISMAAC acoiss method Tt also specifies the media, Mediam Attachment Unit
`with CollL:;ion Detection (CSMA!CD) access method. It a.lso spe6fies tJw nHYlia, Ml·)i1inm Attachment Unit
`(MALand physical layer repeater unit fer 1D Mb/s baseband and breadhand evstems, and i provides a
`il\:IAU) and physical layet repeater unit fur 10 ?vlh/s baiieband and broadband systems, and it pnNides a
`
`i Mb/s baseband implementation. SpecificationsforMAW types LOBASES, 1OBASE2, FOTRE (fiber antic in-
`l Mb/.s baseband .implementatinn. Specifications for l\L\U types 10BASE5, HJBASE2., FOIEL !fiber optic 1n(cid:173)
`terrepeater link}, JOBROADGG, IBASES, and LOBASE-T are included. Systern considerations for multises-
`10BROAD3G, 1 BASE5, and. :WH/s,,SF> Tare included. System considBrations for multiscg~
`ter<epeat<:r
`mer 10 Mb/s baseband networks are provided. Layer and sublayer Interface specifications are aligned to
`
`ment 10 Mb/s baseband networks arc provided. Layer md sublayer interface specifications are aligned to
`the ISO Open Systems Interconnection Basic Reference Mace! and S802 models. The S80U-3 internal model
`ig defined and ased.
`the 180 Open Systems Interconnection Basic Reference Model and 8802 mndels, The 8802<1 internal mmid
`
`
`is dBfined and used,
`Keywords: data process
`ng, isformation interchange, local area networks, mode of dala tranemission, mel
`is
`work interconnection, made
`Keywords: data proc.:~ssing, information interchange, local area netwot·ks, mode oi' data transmisskm, nd·
`vmrk interconnection, rnndeli:;
`
`
`
`&copted as an Enternntional Standard by the
`Polermational Orvarisetion for Standardization
`and by the
`Adopted ns an Inte!!:'nntionul St11ndard by t.he
`international Rlectrotechnidal Comimission
`lnte.rnationd Orgunkathm fnr Standani.Lwtion
`and by tl:w
`Published hy
`Interna.tinnal Ek~>tNteohniN\1 Commission
`The iuatitute of Hlectrical and Blectronics Engineers, lax.
`
`FublisJ:wd by
`The Institute <~f Electrical and Eleetroniu; Engirwers, luc,
`
`Aste, American Nshonat Sisadact
`
`
`
`

`

`
`
`ISO (the International Organization for Standardization) and IEC (the International Eler(cid:173)
`International Standard US(VIEC 8802-3 : L083
`trotechnical Commission) form the specialized syt:>tem fur world,;vide standardizadun.
`National bodies that are members of ISO or JEC participate in the devdC~pment of Intenw.(cid:173)
`ISO (the International Organization for Standardization) and TEC (he International Elec
`tinnal Standards through technical committees established by the respective organization to
`trotechnical Commission)
`forma
`the sperialized system for worldwide standardization.
`deal with particular fidds of technical activity ISO and IEC technical committees collaborate
`National bodies that are members of ISO or TEC participate in the development of Interna-
`in Hdds of mutual interest. Other international organizations, governmental and nongovern(cid:173)
`tional Standards through technical committees established by the respective organization te
`mental, in liaison v:ith ISO and JEC, also take part in the work
`deal with particular fields of technical activity. ISO and TEC technical committees ecllaborate
`In the field of information technology, lSO and TEC have established a joint technical com(cid:173)
`in Helds of mutual interest. Other infernahienal organizahoens, governmental and nengovern-
`mental, in Naisen with ISO and TEC, also take part in the work.
`mittee, ISO/IEC JTC L Draft International Standards adopted by the joint technical commit-(cid:173)
`In the fleld of information technology, [SO and TEC have established a joint technical com-
`tee are cin:ulated to national bodies flw voting. Publication as an Intentatinnal Standard
`mittea, ISCMIEC JPC 1, Deaft International Standards adopted by the folnt technical cummit-
`requires approval by at least 75% ofthe national. bodies casting a vote.
`tee are circulated to national bodies for veting. Publication as an International Standard
`In H185, IEEE Standard 802.3·1985 was adopted by ISO Technical Committee 97, lnfbrmc.(cid:173)
`requires approval by at least 75% of the national bodies casting a vote.
`tion processing systems, as draft International Standard lSO.:IliS 8802-3. Following the pmce(cid:173)
`
`In 1985, IEEE Standard 802.3-1985 was adopted by ISO Technical Committee 97, Informc-
`dun•s described above, the Standard \Vas subsequently approved by ISO and published as ISO
`tion processing systems, as draft International Standard ISO/TS 5802-3. Following the proce-
`8802-3 : 1989, incorporating ISO 8802-3/DAD 1 which had resulted from tho adoption by ISO
`dures described above, the Standard was subsequently approved by ISO and published as ISO
`
`in 1987 of ANSWEEE Std 802.;'.la_
`S$802-3 ; 1984, incorporating ISO 8802-3DAD 1 which had resulted from the adoption by [SO
`in 1987 of ANSUTERE Ste 802 3a.
`A further revision was subsequently approved by ISO/lEC .ITCi 1 in 1990, incorporating
`ISO;TEC 8802-:3/Amendmcnts 2 and 5,
`A farther revision was subsequently appreved by TSO/VTEC JTC 1 in 1990, incorporating
`
`ISQVESC §802-3/Amendments @ and 5.
`A third edition, published in 1992, incorporated IS0t1EC 8802-3/Amendments :3 and 4.
`Athird edition, published in 1992, Incorporate! ISO/IEC 8802-3/Amendments 8 and 4.
`This fourth edition cancds and replaces ISOr1EC 8802<{: 1992 and incorporates IS0r1EC
`
`This fourth edition canwdls and replaces TSOVUEC 8802-3 > 1962 and insorporates ISCOVIEC
`8802-3/Amendnwnt 8, Maintenance Ballot; Amendment 7, Layer mancrgetru,:nt; and l\.mend(cid:173)
`
`
`8802-d/Amendment 6, Maintenance Ballot; Amendment 7, Layer management; and Amend-
`ment 9, S:vstNn considerations f(w nwltiBegment 10 i'tfb I e baseband networks and Twisted(cid:173)
`
`
`
`ment 9,
`System consiaerations for nudasegment 10 Mola dasehand netwerke anc Twisted-
`pnir mediurn attachment unit (J;fAl/! and baseband medium, type lOBiLSE~T. TheSi1 amend~
`por medium atiaghyment unié GAC) and baschond medium, type 1OBASE-T. These amend-
`ment« \Vere approved in 1992.
`ments were approved in 1992.
`For the purpose of assigning organizationally unique identifiers, the Institute of Electrical
`Por the purpose of assigning organizationally unique identifiers, the Institute of Electrical
`and Electronics Engineers, Inc, USA, has been designated by the ISO Council as the Regis(cid:173)
`and Wiectronica Engineers. Ine, USA, has been designated by the ISO Counell as the Regia-
`l:rat:ion Adhority. Communications on this subject should be addressed to
`tration Authority. Comanunications on this subject should be addressed to
`
`Registration Authority for ISO/IEC 8802-3
`Registration Authority :for ISO/IEC 8802-3
`ivp The Inatitute of Electrical and Klectronics Engineers, Inc.
`do The Institute of Electrical and Electronics Engineers, Inc.
`445 Hoes Lane
`,145 Hues Lane
`Po) Box 1331
`P.O. Box 1831
`Piscataway, Nd O8855.133%
`Piscataway, N.J 08855-l:~:n
`LUBA
`1JSA
`During the preparation of this International Standard, information was gathered on pat-
`During the preparation of this International Standard. information was gathered on pat(cid:173)
`ents upon which application of this standard might depend. Relevant patents were identified
`ents upf\n which application of this standard might depend. He levant patents w<:.•re identified
`as belonging te Xerox Corporation. However, ISG and IEC cannot give authoritative ar corn-
`as belonging to Xerox Corporation. However, ISO and IEC cannot give authoritative ur com(cid:173)
`prehensive information about evidence, validity or scope of patent and like rights. The patent
`holder has stated that Heensea will be granted wider reasonable terms and conditions and
`prehensive information about evidence, validity or scope of patent and like rights. The patent(cid:173)
`cammunicationa on this subject ahould be addreased to
`holder has stated that licenses wiH be granted undtsr rea;;tli!able terms and conditions and
`comtnunkations on this subject should be addressed to
`Serox, Corporation
`PO. Bex 1800
`Xerox Corporation
`Stemiford, OT 06004
`PO. Box 1800
`USA.
`StamJord, CT 06904
`USA
`
`
`
`
`International Greanization for Stamdandization/international Eleetratechnical Commdssion
`Case postale 86. e CF-1211 Gendve 20 * Switzerland
`
`lnte.rnation<.d Organization for Stand<1rdi:ration!lntE:rnation<;.l Electrot:eclmital CommiBsion
`Case postale 56® CH-1211 Geneve 20 ~Switzerland
`
`

`

`Fm."f~word to International Standard ISO/lEC 8802~3 : 1998
`
`This standard is part of a family of standards for Local and Metropolitan Area Networks. The relation(cid:173)
`Foreword to International Standard ISOVIEC BBOZ-3 : 1998
`ship bf4ween this standard and thH other rnmnbers of the f:qmily is shown below. <.Tht:! numbers in the fig(cid:173)
`ure refer to ISO standard numbers.)
`This standard is part of a family of standards for Lecal and Metropolitan Area Networks. The relation-
`ship between this standard and the other members of the family is shown below. (The numbers in the fig-
`ure refer to ISO standard numbers}
`
`DI\TA
`UNK
`LAYER
`LINK
`LAYER
`
`·11_____ _ 8 8 0 2 - 2 -------~1
` DATA
`BBBB
`LAYER
`
`guo23 |
`
`| 98024
`
`8802-5
`
`|
`
`7
`
`|
`
`UNK
`LAYER
`LINK
`
`This family of standards deals with the Physical and Data Link layers as defined by the ISO Open Sys(cid:173)
`tems Interconnection Bask Hefiommce Model (ISO 7498 : 1984). The access standards define four types of
`This family of standards deals with the Physical and Data Link layers as defined by the ISO Open Sys-
`medium access technologies and associated physical media, each appropriate for particular applications or
`tems Interconnection Basic Reference Madel (ISO 7498 : 1984). The access standards define four types of
`system objectives, Other types are under investigation.
`medium access technologies and associated physical media, each appropriate for particular applications or
`
`The standards de:fining these technologies are as f()llows:
`system objectives. Other types are under investigation.
`The standards defining these technologies are as follows:
`ISOt1EC 8802-:1 [Al'>JSI/IEEE Std 802.3, 1893 Edition], a bus utilizing CSivVJCD as the access
`(1) DSO/TEC 8800-3 [ANSUIEEE Std 802.3, 1893 Editien!, a bus utilizing CSMA/CD. as the access
`method,
`methad,
`ISO/lEC 8802-4 [ANST/l:E~EE Std 802.4-H!SO], a bus utilizing token passing as the access method,
`(2) TSOATEC 8802-4 [ANSVIFESRStd &62.4-1990], a bus ulilizing token passing as the access method,
`ISOt1EC 8802--5 [ANSit1EEE Std 802.5-1992], a ring utilizing token passing as the access method,
`is} TSO/TEC &802-5 [ANSIAEER Std 8025-1992], a ring ntilizing token passing as the access method,
`ISO 8802-7, a ring utilizing slotted ring as the access method.
`4)
`ISO 8802-7, 8 ring utilizingslotted ring as the secess method.
`
`(2)
`(;))
`(4)
`
`(1)
`
`ISO 8802-2 [A.NSIIIEEE Std 802 2-1989], Logical Lin!? Contro! protoco!, is used in conjunction with the
`ISO 8802-2 [ANSDIEEE Std 802.2-1989], Logical Link Conirol profecal, ia used in confunctian with the
`mediumaccess standards.
`medium ao:ess standards.
`ISO/IEC 10038 [lli'l'Sl!1EEE Std 802, lD, 199a Edii;ion], M.ed!a access CMttrol (11-:fAC:J bridges, specifies an
`ISOQAEC 10086 [ANSLTEEE Std €02. 0D, 1993 Edition|, Media access contro’ (FAC? bridges, specifies an
`architecture and pretecol fur the interconnection of EEE 802 LANs below the MACservice boundary.
`architecture and protocol for the interconnection of IEEE 802 LJ\Ns below the MAC service boundary.
`The reader ofthis document is urged to become familiar with the complete family of standards.
`The reader of this document is urged to become familiar with the complete family of standards.
`The main body of this standard serves for both the ISO/IEC 8804-3 and ANSUVIBER Std 8029.3 stan-
`The main body of this standard ser<.res fi:Jr both the ISO/IEC 8802-a and .1\NSIIlEEE Std 802.3 stan·
`dards. ISO/IEC and TERE each have unique foreword sections, The Annes applies to the IEEE standard
`dards. IS0/1EC and IEEE eaeh have unique foreword sections, The Annex applies to the IEEE standard
`only. The Appendixes serve as useful reference material to both standards.
`only_ The Appendixt:'S serve as useful reference material to bnth standard,;:.
`
`

`

` é
`
`
`
`ANSI!IEEE Std 802.3, 1993 Edition
`
`If<~J;;g Standards documents are developed within the Technical Committees of the IE.EE
`ANBSULERE Std 802.8, 1003 Edition
`Societies and the Standards Coordinating Committees of the IEEE Standards Board. Mr;m-(cid:173)
`bers nf the committees serve voluntarily and vvithuut compensation. They are not necessarily
`
`TREE Standards documents are develaped within the Technical Cammittees of the IF
`members of the Institute. The standards rleveloped within IEEE represent a consensus ofi:be
`Societios and the Standards Coordinating Committees of the [REN Standards Board. Mem-
`broad expertise on t.he subject within Uw Institute as well as tbose activities outsidE' of IC'KE
`bers of the cammuttees serve voluntarily and without campensation. They are not necessarily
`which hnve expressed an int<.ore~>t in partkipating in the development ofth~c' standard.
`members of the Institute. The standards developed within IXEE represent a consensus of the
`
`Use of an iEEE Standard is wholly voluntary. The existenee of an IEEE Standard does not
`broad expertise on the subject within the Institute as well as those acti
`s onteide of TEE,
`
`imply that there are no other ways to produee, test, measure, purchase, market, or provide
`which have expressed an interest in participating in the developmentof the standard.
`
`othPr goods and servin;s rdated to the scope of the IEEE Standard. Furthermore, the vk;w(cid:173)
`Use of an TSE Standard is whally voluntary. The existence of an TEER Standard does not
`imply that there are no other ways to produce, test, measure, murchase, market, or orovide
`
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`ether gouds and services related to the scope of the THEN Standandl. Furthermore, the view.
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`
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`
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`
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`qusly received formal consideration,
`
`Comments on standards and n•quests for interpretations shuuld b~· addressed to:
`Comments on standards and requests for interpretations should be addressed to:
`
`Secretary, DEEE Standards Board
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`CSA
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`
`
`

`

`Foreword to .ANS1!IEEE Std 802.:3, 1993 Edition
`
`fThis Foreword io oot n part af this !ntanati,mal3trmd;ud nr of AJ\ISlffEEE 802.:3, 1883 Edition.;
`Foreword to ANSIAEEERStd 802.5, 1900 Edition
`This standard is part of a i~:unily of standards for local and metropolitan area netv<orks. The rdationship
`
`behveen the stand.ard and other memben.; of the family is shown below. (The numbers in the figure refer to
`(This Foreword is nota part af this
`International Stawlard or of ANSVIEEE 802.3, 1963 Edition}
`IEEE standard numbers.)
`This standard is part ofa family of standards fer local and metropolitan area networks. The relatienship
`between the standard amd other members of the family is shown below. (The numbers in the figure refer to
`TREE standard numbers}
`
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` * Formerly
`
`
`2 LOGICAL LENK
`
`
`602OVERVIEW&AA:
`
`&J2.3
`~)lEf_"";~~f>,<":
`ACCSSS
`
`Be~;? A
`t-fiEOiiJM
`l·.CCES£.;
`
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`·"~DCESS
`
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`ACCES~~
`
`CAT".
`I. INK
`uwm
`
`PHVS•C.~l
`
`~:;!'.~?.4
`PHVSV.":.AL
`
`t;~]l ~;
`
`PHYSICAl~
`
`f.\()~! i3
`f''H''f::-.lCAL
`
`r:·H·ts:C~'":.~
`i.AYER
`
`" Formerly WEE Std ollz.JL.
`
`This family of standards deals with the Physical and Data Link layers as defined by the International
`This family of standards deals with the Physical and Data Link isyers as defined by the Internutional
`
`Organization for Standardization (ISO) Opetl Systems Intcrumncction. Basic ReJl::rence Mndel (ISO
`Organization for Standardization USC) Open Systema Toterennnection Basic Reference Model
`(SO)
`7498: 1984). The access standards ddine G.f'IVtoral types of medium access wchnologi.es and associated phys~
`
`
`
`7498 : 1984). The access standards define
`raltepes of medium access
`hnglogies and associated phiys-
`ical rncd:ia, each appropriate for particular applications or system objectives. Other types are umier· inv(•sti(cid:173)
`teal media, each appropriate far particular applications ar system objectives. Other twpes are innder investi-
`gadon.
`gation.
`
`The standards defining theEn technologies are as follovvs:
`The standards defining these technologies aré as follows:
`# TEBE Std 602";
`Overview and Architecture. This standard provides an overview
`Overview and Arcbitectu.re, T'his standard provides an overview
`<>IEEE Std 802':
`
`
`
`
`to the fomily of [EWE 82 standards. This document forms part
`to thf; family of IEEE 802 standards. 'I'his document forms part
`of the 802.1 seape of work.
`oft he 802.1 sc0pe of work.
`
`*® TREE Std 602.1B;
`" IEEE Std 802.1H:
`
`eISCVTED LO0SR : 1995
`
`ANSUIBEER Std 802.101
`"TSOiTEC 10088: 19:18
`IANSJJTEEE Std 802. 1D1
`
`« [EEE Std 802.1B:
`"lEEE Std 802.1E:
`
`#180 8802-2 ([ANSLITEEN Std 802.2):
`
`
`LAR/MAN Management. Defines an Open System Intercennice-
`LA.i'\'/I\L:\N :Vlanagement. Defines an Open System Interconnec(cid:173)
`
`
`
`tion GOSD managementcompatible architectures, and services
`tion (OSI; management.-eornpat.ible un::hitedure, :md serviees
`and protocol elements for use in a LAN/MAN environment for
`and protoeol dements for use in a Ll"...L"i!Ivl.lu'J environment for
`performing remote management.
`performing remote management.
`
`
`MASBridging. Soceifics an architecture and protocol for thein-
`tercannection of TZEE 802 LANs below the MAC service
`kL'\C Bridging. Spefifies an architf:,cture and protocol for the in·
`boundary.
`terconnecUon of IEEE 802 LANs bdow the 1\:l.t\.C service
`boundary.
`
`System Load Protecel. Spectiies a set of services and protocol for
`those aspects of management concerned withthe loading of sys-
`System Luw:l Protocol. SpeciHc:s a set of services and protocol fbr
`tems on TREE 602 LANs.
`those aspeets of management concerned ·with the loading of sys(cid:173)
`tems on IEEE 802 LANs,
`Logical Link Control
`
`111 ISO 8802-2 iANSUIEEE Std 802.2]:
`Logical Link Control
`* SOME8802-3 [ANSUIEEE Std 862.4]: COSMA/CD Acceas Method and Physical Layer Specifications
`
`"'IS(HEC 8802-:3 \i\NSJ/JE.E:E Std 802.3]: CSMNCD Acecss Method and Physical Layer Specifications
`
`
`4 802.14, bas been renumbered
`as LRER Sid 402. This
`
`
`to TREE Std 802.14 should he
`
`has been. done lo accorumoedale recogni
`
`considered ag refers f
`
`
`
`Dte 802 Archih.:tture ~.:.nd Overvl€\~/ Spedfi.;.'at.ion" originally knG\Vil as IEEE Std 8!J2.1A> has bt:en rBnutnbered a:?i tEEE Std 602 Th.i~
`has been done to a·~commociale mcognition of U>e> base ~'amhn:t ·in a farniJv af standards. H.efererwe>< tu JJ:<.:EE Std 802.1A should be
`~~on;:xidered a~ ret~~rences to IE !~~E· t:)ttl 802.
`,.
`
`

`

`----------------~················· -------···········'-""""·······------------·
`
`
`
`"'ISO!lEC 8802-4 lANSl/IEEE Std 8024!: 'Token Bus Access Method and Physkal Layer Spceifications
`
`"' ISO/lEC 8802-5 [ANSJILCEE Std 802.5]: Token Ring A.ccess Method and Physical Layer Specifications
`# ISOVIIND ga02-4 [ANSITEERStd 602 4): Token Bus Access Method and Physical Layer Specifications
`Metropolitan Area Network Access Method and Physical Layer
`.. IEEE Std 802.6:
`® ISO/IEC 8808-5 [ANSIA BEBE Std BOS Ab Taken Ring Access Method and Physical Laver Specifications
`Specifications
`Metropolitan Area Network Access Method and Physical Layer
`Interoperable Local.Axea Network Security, Currently Cordains
`Specifications
`Secure Data Exchange (SDE)
`
`Interoperable Local Area Network Security, Currently Contains
`3 TREE Std 802.1%
`ln addition to the family of standards the fo!lmving is a recommended practice f(Jr a cmmnon tedmoiogy:
`Secure Data Exchange (SDE)
`
`* [REE Std 802.8:
`., IEEE Std 802.10:
`
`® THER Std 802.7:
`
`for Broadband Loeal Area
`
`In addition to the familyof standards the following is a recommended practice for a common technology:
`IEEE Recommended Prm::tice for Broadband Local Area
`., IEJ;";g Std 802.7:
`Networks
`IEEE Reeommended Practie:
`Networks
`The reader of this document is urged to become familiar with the complete family of standard"
`The readerof this documentis urged to become farnillar with the cmmplete family of standards,
`Conformance Test Methodology
`Conformanee Test Methodology
`Another standards series) identified by the number 1802, has been established tu identify the eonfb:rm(cid:173)
`Another standards series, identified by the number 1402, has been established to identify the canform-
`ance te·st methodology documents for the 802 family of standards. This makes the correspondenee between
`ance test methaialogy documents for Lhe 802 family of standards. This makes the correspondence between
`the various 802 standards and their applicable confnruw.nce test requirements readily apparent. Thus tho
`the various S02 standards and their applicable conformance test requirements readily apparent. Thus the
`eonf(n'rnance test documents for 802.3 are numbered 1802.3, the confonnance test dm:ument:s f(w 802.5 will
`contormanens test decuments for 692.3 are numbered 1302.5, the conformance test documents for 802.5 will
`be 1802.5. and so on. Similarly. ISO will use 18802 to number conformance test standards for 8802
`be 1902.5, and so on. Similarly, ISQ will use 14802 to number conformance test standards for S8O2
`standards.
`standards,
`
`TSO/TEC 8802-3 > 1095 (ANSUTERE Std 802.3, 1205 Edilion)
`
`This edition of the standard detlnes 10 l'vib/s baseband and broadband implementations and a 1 Iv1b/s
`This edition of the standard defines H} Mb’s baseband and brnadband implementations and a 1 Mb/s
`baseband implementation of the Physical Layer using the CSMA/CD access method, It is antivipated tial
`basdxmd implementation of the Physkai Layer using the CSl\1.,_;\/CD acces~> method, It is antic.ipated that
`future editions of the standard may provide additional implementations of the physical layer to support
`futun; editions of the standard may provide additional implementations of the physical layer to support
`different needs (for example, media, and data rates).
`different needs (for example, n1edia, and data rates).
`This standard contains state-ofthe-art material. The area covered by this atandand is undergoing evalu-
`This standard contains state-ofthe-art material. The area wvered by this standard is undergoing evolu ..
`tion. Revisiuas are anticipated te this sfandard within the neal few years le clarify existing material, to
`tion. Revisions are anticipated to this standard ·within the nt'XL few years to clarify existing material, to
`correct possible errors, and to incorporate new related material
`cor:red possible errors, and to incorporate new related materiaL
`Readers wishing to know the state of revisions showd contact
`Readers wishing to knmv the state of revisions should contact
`Secretary
`TIGE® Standards Board
`Secretary
`IEEE Standards Board
`Tostitate of Electrical and Electronics Engineers, Inc
`
`PO Box 1981, 445 Hoes Lane
`Institute of Eiectrical and Electronics Engineers. Inc
`
`Piscataway, Nd GSSS5-1991
`PO Box 1331, ,145 Hoes Lane
`UBA
`Piscataway, NJ 08856-1a:n
`USA
`The TERE 802.5 Warking Group acknowledges and appreciates that many cmcepts ambodied in this
`
`slundard are based Lurgely upon the CSMAACD access moethud eurlier deseribed in The Bthernet specifica
`The JEEE 802,:3 Working Group ackno\viedgcs and appreciates that many concepts embodied in this
`tien as written jointly by individuals from Rerox Corporation, Digital Equipment Corporation, and Intel
`standard nn~ based largely upon the CSivL4/CD aeces::; mdhml earlier described in The .Ethernet specifka~
`Cerporation. Appreciation is ales expressed to Rebert M. Metcalfe and Davisl B. Boges tbr their pioncering
`tion as written jointly by individual,;; ftorn Xerox Corporation, IJigital Equipment Corporation, and Intel
`work in establishing the original concepts.
`Corporation. Appreciation is also expressed to Robert M. Metcalft' and .David R. Boggs fi)r their pioneering
`work in establishing the original co.ncepts.
`
`
`
`

`

`Participants
`
`When the IEEE 802,3 Working Group approved the original standard (ANSI/IEEE Std 8023-1985) in
`Participants
`1983, it had the following membership:
`
`When the IEEE 802.3 Working (sroup approved the original standard (ANSLIBREER Std 862.3-1988) in
`Donald (;,Loughry, Chair
`1983, it had the following membership:
`
`Dooald E, Kotas
`Phil L Arst
`Rc•b<"rt. 8, Printis
`Chair
`Donald C. Loughry, C
`Robert F, Bridge
`Gary S, Robinson
`William P, Lidinsl'Y
`Lam·ie Lindsey
`Charles Brill
`PAH OL. Arst
`Robert Rosenthal
`
`Rebert©1, Printis
`G. J, Clancy
`William D.